This is the 7134th most frequent Portuguese word.
kool
The word "kool" is not Portuguese; it likely reflects an informal or stylized usage borrowed from English, where it means "cool" (stylish or excellent).
Here, 'Kool' is being used as a proper noun, specifically the name of a band.
Eu acho que o novo álbum da banda Kool é muito interessante.
I think the new album of the band Kool is very interesting.
Here, 'kool' is employed as a stylish variation of the word 'cool,' describing something trendy or appealing.
Aquele estilo é muito kool, combina com você.
That style is really kool, it suits you.
In this context, 'kool' again serves as a variant spelling of 'cool,' emphasizing an innovative or impressive quality.